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How to Test for Hard Water and Add Softeners | This Old House

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This Old House plumbing and heating expert Richard Trethewey cleans up some drinking-water problems. (See below for a shopping list.)
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Shopping List for How to Test for Hard Water and Add Softeners:
– sediment filter
– water softener

About This Old House TV:
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How to Test for Hard Water and Add Softeners | This Old House
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